Minor readme fixes.

Author: dmitry-ivanov

README.md

@@ -363,7 +363,7 @@ $dump = get_dump($array);
 
 #### `format_bytes()`
 
-Formats bytes into kilobytes, megabytes, gigabytes or terabytes, with specified precision:
+Format bytes into kilobytes, megabytes, gigabytes or terabytes, with specified precision:
 
 ```php
 $formatted = format_bytes(3333333);
@@ -373,7 +373,7 @@ $formatted = format_bytes(3333333);
 
 #### `format_xml()`
 
-Formats xml string using new lines and indents:
+Format XML string using new lines and indents:
 
 ```php
 $formatted = format_xml('<?xml version="1.0"?><root><task priority="low"><to>John</to><from>Jane</from><title>Go to the shop</title></task><task priority="medium"><to>John</to><from>Paul</from><title>Finish the report</title></task><task priority="high"><to>Jane</to><from>Jeff</from><title>Clean the house</title></task></root>');